Question

Solve ln 5 + ln x=3 please help

Answer 1

We have the condition: x > 0;
Then, ln5 + lnx = ln( 5*x );
We solve the equation: ln( 5x ) = 3;
Finally, 5x = e^3;
x = e^3 / 5; where e is "Euler's number" ; e≈2.71828;